Would like to upgrade my 8 yr old Dell 8250, 2.4GHz Pentium 4, 1.5GB RAM, 60GB IDE HDD, desktop computer. Need more & faster HDD storage. Can I substitute an SSD with about 120GB? My spare drive bay is 3.5 inch. I adapting a 2.5 inch SSD feasible? Should I just go PATA or IDE storage without SSD?